Get a great night's sleep with the 13.5 Tog Duvet. Choose from duck feather or goose feather options. Luxuriously filled with 85% feathers and 15% pure soft down. Available in single, double, king and super king sizes. Boxes sewn throughout the duvet keep the feathers in place. Outer cover made from 100% soft cambric cotton - 233 thread count! Anti-feather pierce outer cover for your peace of mind. Machine washable for easy cleaning. Hotel-quality duvets are great for keeping you cosy.